. >> bill clinton with dr. nancy snyderman. good day, i'm andrea mitchell live in washington, where president obama is trying to mobilize the nation, all of us, to deal with gun violence. >> from the letter that julia wrote me, she said, i know that laws have to be passed by congress, but i beg you to try very hardly. julia, i will try very hard. >> and joining me now for our daily fix, chuck todd, nbc news chief white house correspondent and host of "the daily rundown" and host malia henderson. thank you very much, both of you. chuck, the atmosphere there at the white house as the president unveils this and the fact that he brought in families from newtown and children who had written to him, what is the white house hoping to gain as it takes on, probably, the biggest political fight of this second term? >> look, this wasn't a simple policy rollout, this was the launch of an emotional campaign, this was an emotional president, and he was using any possible tool he could have in order to try to launch a campaign, because the re